Sink Holes:
https://en.wikipedia.org/wiki/**Sinkhole**
https://water.usgs.gov/edu/sinkholes.html
http://www.livescience.com/44123-what-are-sinkholes.html
http://www.swfwmd.state.fl.us/hydrology/sinkholes/

Solar Eclipses:
https://en.wikipedia.org/wiki/Solar_eclipse
http://www.dkfindout.com/us/space/solar-system/solar-eclipse/
http://www.mreclipse.com/Special/SEprimer.html
http://www.ducksters.com/science/physics/lunar_and_solar_eclipses.php
http://www.softschools.com/facts/space/solar_eclipse_facts/436/

Termites:
https://en.wikipedia.org/wiki/Termite
http://pestworldforkids.org/pest-guide/termites/
http://easyscienceforkids.com/all-about-termites
http://www.biokids.umich.edu/critters/Isoptera/

Lightning:
https://en.wikipedia.org/wiki/Lightning
http://www.nssl.noaa.gov/education/svrwx101/lightning/
http://whyfiles.org/137lightning/3.html
http://www.weatherwizkids.com/weather-lightning.htm
http://environment.nationalgeographic.com/environment/natural-disasters/lightning-profile/

Muck Fires:
https://en.wikipedia.org/wiki/Muck_(soil)
https://sites.google.com/site/tangerinethenovel/muck-fire
http://floridadisaster.com/fires.html
http://www.tampabay.com/opinion/columns/fighting-muck-fires-takes-complex-battle-strategy/629970

Citrus Fruit:
https://en.wikipedia.org/wiki/Citrus
http://www.visitflorida.com/en-us/articles/2007/november/741-florida-citrus-facts.html
http://www.citrus-tree-care.com/care-freeze-damage.html
http://www.aces.edu/dept/peaches/frzprotect.html
http://citrus-tree-care.com/care-cold-protection.html
http://capayvalleyfarmshop.com/blog/farmnews/10-fun-facts-about-citrus/